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dedylja [7]
3 years ago
12

Which sum or difference identity could be used to prove that cos(270º - thata) = -sin thata is an identity?

Mathematics
1 answer:
timama [110]3 years ago
3 0

Answer:

the answer is 3475673456

Step-by-step explanation:

d4857d568df what

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Help!!! What is 762.457 X 6.34
MatroZZZ [7]
Hello There
Its pretty tricky but here is your answer
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5 0
3 years ago
-3 is less than or equal to W and W is less than or equal to 4
ANEK [815]

Answer:

-3 ≤ W ≤ 4

I hope this helps!

8 0
3 years ago
Isaiah has h baseball cards. Michael gas 7 more baseball cards than Isaiah. Write an expression for the number baseball cards th
deff fn [24]

Answer:

h + 7

because if Michael has 7 more than you just add 7 to Isiahs unknown

3 0
2 years ago
Simplify the expression to a + bi form:<br> (-7 - 3i) + (-5 + 10i)
Harman [31]

Answer:

-12+7i

Step-by-step explanation:

(-7-3i)+(-5+10i)

-7-3i-5+10i

-7-5-3i+10i

-12-3i+10i

-12+7i

Please mark me as Brainliest if you're satisfied with the answer.

6 0
2 years ago
Read 2 more answers
the temperature is already at 40 degrees it rises 4.5 degrees per minute how long will it take to get to 76 degrees​
Andrei [34K]

Answer:

It will take 8 minutes for the temperature to reach 76°

Step-by-step explanation:

The expression for the total temperature in degrees at time t can be written as;

T=I+EM

where;

T=total temperature

I=initial temperature

E=temperature increase per minute

M=number of minutes

This can also be written as;

total temperature=initial temperature+temperature increase per minute×number of minutes

In our case;

T=76°

I=40°

E=4.5°

M=m

replacing;

76=40+(4.5×m)

4.5 m=76-40=36

(4.5 m)/4.5=36/4.5

m=8

It will take 8 minutes for the temperature to reach 76°

7 0
3 years ago
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